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SKU: FE-HV-EC-3-4.1-12.3
  • Name : Fox ECS HV ECM4100, 12.09kWh 1x Master 2x Slave
  • Vendor : Fox ESS
  • Type : Storage Systems
  • Manufacturing : 2024 / 05 / 22
  • Barcode : FE-HV-EC-3-4.1-12.3
This part is made up of the following items:
2 x FE-HV-ECS-4100 Fox ECS 4.03kWh HV Battery (Slave)
1 x FE-HV-ECM-4100 Fox ECS 4.03kWh HV Battery (Master)

Fox ECS 4.1kWh - Stack of 3 (12.09kWh Useable Storage) Incl. Master


  • 4.03kWh Capacity
  • Scalable to 28.21kWh‚
  • 90% Depth of Discharge
  • Wide Temperature Tolerence
  • Easy Installation
  • CAN/RS485 Communication
  • High Voltage

The quick &easy install feature allows for more‚ ECM4100 battery modules to be added post installation.

Weight: 110.3kg

Dimensions (Width, Hight, Depth): 570mm x 470mm x 380mm

Don't forget: You must register your install with Fox online to activate the 12 year product warranty, otherwise it's 5 years as standard.‚ Please click here for registration page. ‚ Please check the warranty document for more information.

This battery requires a MINIMUM of 2 modules to work (Master + Slave), This battery can have a MAXIMUM of 7 modules in a stack (1x Master + 6x Slaves)
SPG Renewables have only received 1 version of the 4100 battery model (labelled V2) and as such there should be no compatibility issues when installing new systems or expanding existing systems where the original batteries were purchased from SPG Renewables.

Included in Kit
KIT-FOX-3.7-HV Fox 3.7 HV Hybrid Kit UK

If you have any technical queries about this product or wish to report any issues with the information on this page then please use the Contact Form to contact us.
107.85 kg
Battery Type:
Lithium Ion
Nominal Energy:
12090 Wh
Depth of discharge:
90.00 %
172 V
Continuous Discharge Rate (Normal Use):
8640 W
Maximum Discharge Rate (5 Minutes):
8640 W
Surge Discharge Rate (15 Seconds):
11232 W
Maximum Charge Rate (5 Minutes):
8640 W